coprocessor

/K OW1 P R AA1 S EH0 S ER0/
noun
  1. 1

    An additional microprocessor used to supplement the functionality of the central processing unit, performing tasks such as floating-point arithmetic (floating-point unit) or graphics calculations (graphics processing unit).

Translate “coprocessor” into another language

Source: https://en.wiktionary.org/wiki/coprocessor